Menu: Draw / Arc / Center, Start, Length 
Note: You can use the local menu options to create this arc differently. See the local menu options for "Arc: 3 Points" on page 179.
Creates an arc by defining its center, a point on its circumference where the arc starts, and the chord length.
- Select the arc centerpoint and a point on the circumference of the circle where the arc will start. You can also specify the Radius and Start Angle in the Inspector Bar.
- Move the cursor to draw the arc, or enter the Length in the Inspector Bar.
